Microgreens are harvested 7 to 20 days after seedlings emerge. Young leafy sprouts pack far more flavor and disease-preventing nutrients per gram than adult plants. Israel’s 2BFresh produced 85 tons of microgreens in 2019 for the domestic and overseas markets. Great video.
https://www.israel21c.org/microgreens-from-tiny-israel-offer-big-taste-and-nutrition/